Average Co-Inventor Count = 2.33
ph-index = 7
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Callaway Golf Company (8 from 2,054 patents)
2. Callaway Gold Company (1 from 8 patents)
9 patents:
1. D958914 - Putter head
2. D909518 - Putter head
3. D908827 - Putter head
4. D907730 - Putter head
5. D907731 - Putter head
6. D905184 - Putter head
7. D860342 - Golf ball
8. D860343 - Golf ball
9. D860344 - Golf ball